Neuron Axon Structure and Function Quiz
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Questions and Answers

What is the function of the axon in a neuron?

  • Carries nerve impulses towards the cell body
  • Connects the neuron to other neurons
  • Contains the synaptic vesicles
  • Insulates the axon for faster impulse transmission (correct)
  • Which type of neuron typically lacks a myelin sheath around its axon?

  • Interneuron
  • Relay neuron (correct)
  • Sensory neuron
  • Motor neuron
  • What is the process called when the electrical impulse is transferred from one neuron to another?

  • Neurotransmission
  • Axonal propagation
  • Synaptic transmission (correct)
  • Myelin insulation
  • Which part of the neuron releases neurotransmitters across the synaptic gap?

    <p>Axon terminal</p> Signup and view all the answers

    What are excitatory neurotransmitters responsible for?

    <p>Creating action potentials in the post-synaptic cell</p> Signup and view all the answers

    Which type of neuron carries signals from the central nervous system to muscles or glands?

    <p>Motor neuron</p> Signup and view all the answers

    Which type of neurotransmitters makes a post-synaptic cell more likely to fire?

    <p>Noradrenaline</p> Signup and view all the answers

    What is the effect of inhibitory neurotransmitters on a post-synaptic cell?

    <p>Make it less likely to fire</p> Signup and view all the answers

    What is the role of excitatory neurotransmitters like noradrenaline in synaptic transmission?

    <p>Make the post-synaptic cell more likely to fire</p> Signup and view all the answers

    Which neurotransmitter is mentioned in relation to Jack's ADHD treatment?

    <p>Dopamine</p> Signup and view all the answers

    What happens when an inhibitory neurotransmitter binds to post-synaptic receptors?

    <p>Results in an IPSP</p> Signup and view all the answers

    What is the effect of an excitatory post-synaptic potential (EPSP) on a post-synaptic cell?

    <p>Makes it more likely to fire</p> Signup and view all the answers

    Where are sensory neurons typically found?

    <p>In the eyes, ears, tongue, and skin</p> Signup and view all the answers

    Which type of neuron is responsible for carrying nerve impulses to the spinal cord and brain?

    <p>Sensory neurons</p> Signup and view all the answers

    What is the function of relay neurons?

    <p>Allow sensory and motor neurons to communicate</p> Signup and view all the answers

    Which part of a neuron is often referred to as the 'control centre'?

    <p>Nucleus</p> Signup and view all the answers

    What triggers a response in muscle cells to result in movement?

    <p>Release of neurotransmitters by motor neurons</p> Signup and view all the answers

    Which type of neuron is found between sensory input and motor output?

    <p>Interneurons</p> Signup and view all the answers

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